abstract |
Compounds 1 to 25, 104 and 133 having the formula (I), compounds 26 to 35 and 119 to 132 having the formula (II), compound 36 to 57, 85 to 103 and 105 to 118 having the (III) as defined in the specification or a compound 58 to 84, 134 and 135 are useful as carrier compounds in pharmaceutical compositions for the delivery of active agents such as proteins or polysaccharides. |